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a particle of charge q 84 microc is moving at an angle of 24deg with respect tothe x axis with a speed of 265 ms there
a proton moves at a speed of 1155 ms in a direction perpendicular to amagnetic field with a magnitude of 074 t what is
a ball thin spherical shellof mass m and radius rand a very small lead marble much smaller radius thanthe ball so it
98 g of ethylene glycol c2h6o2 are dissolved in 715 g of water the freezing point constant kf of water is
an atomic emission spectrum of hydrogen shows three wave lengths 1875 nm 1282 nm 1093 nm assign these wavelengths to
a 35kg block is accelerated by a horizontally compressedspring whose spring constant is 640 nm after leaving thespring
a person walks into a room that has on opposite walls two planemirrors producing multiple images find the distances
how many unpaired electrons are present in the ground state of an atom from each of the following groupsa 8a18b 5a15c
a wheel 200 m in diameter lies in a vertical plane androtates with a constant angular acceleration of 400radsec2 the
a curved mirror has a focal point images form at the focal point right but ive seen problems where this is not true i
a large man sits on a four-legged chair with his feet off the floor the combined mass of the man and chair is 950 kg if
write the balanced equations for the reaction between magnesium metal and hydrochloric acid solution and for the
a quantity of steam 500 g at 106 c is condensed and the resulting water is frozen into ice at 0 c how much heat was
calculate the pressure of a sample of gas collected over water at 25 degrees celsius if the atmospheric pressure id
when iron metal is added to a solution of a silver salt the iron goes into solution and the silver precipitates out
using the lewis structure predict the geometrical structures of the following ions and state the hybridization of the
if i put a lot of indicator would it affect the absorbance of a solution that only contains an acid and a base not a
an astronaunt has landed on a strange new planet and conducts an experiment to determine the acceleration of gravity
a person pushes horizontally with a force of 170 n on a 60 kg crateto move it across a level floor the coefficient of
the following compound has similar properties to aspirin write a synthesis for the preparation of the compound basing
consider a free electron gas model for noninteracting electrons ina two-dimentional infinite square well calculate the
if in the reaction ag 2bg lt--gt 3cg initially 180 mol of a 420 mol of b and 100 mol of c are placed in a 200 liter
find the energy levels and the wave functions of the ground state and the first excited state for a system of two
1 rank the items from the highest change in energy to the lowest change in energy to rank items as equivalent overlap
along straight conducting rod or wire carries a linear chargedensity lambda of 20mucmthis rod is totally enclosed